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CN3586 Electric Motor for Gas Compression

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Electric Motor Specifications
Electric Motor Type Squirrel Cage Induction Motor
Number of Poles 8
Full Load Speed 894 rpm
Voltage/Frequency 4000V & 4160V u00b1 10%/60 Hz
Type of EX-protection Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
Mounting Designation F1 or F2
Enclosure Type/Method of Cooling WP-II
Insulation Class F
Service Factor 1.15 SF (1.0 VFD)
Standards NEMA MG1
Max Ambient Temperature 40 u00b0C (104 u00b0F)
Max Altitude Before Derate 1000 m (3300 ft)
Duty Continuous
Temperature Rise Class B at rated load
Connection of Stator Winding Star
Full Load Current 458 Amps
Locked Rotor Amps 540% Code E
Locked Rotor Torque 60%
No Load Current 137 Amps
Rated Torque 27869 Nu2022m (20555 lb-ft)
Shaft 216 mm (8.5 in)

Standard Equipment

  • Bearings
    • Bearing RTDs for temperature monitoring
    • Insulated non-drive end bearings to reduce bearing currents
    • Anti-friction on 1500 hp (optional)
  • Rotors
    • Designed for minimal vibration
    • Dynamic balancing at full operational speed
    • Fabricated copper squirrel cages
    • Forged, keyless shaft
    • AISI 4140/DIN42CrMo4 shaft
  • Stators
    • Radial air ducts ensure uniform and efficient cooling
    • Vacuum pressure impregnated with specially formulated epoxy resin
    • 2X RTDS per Phase
    • Space heater
    • Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges

Optional Equipment

  • Oversized Terminal Box
  • Surge Protection
  • Differential CTs
  • Differential Pressure Switch
  • Oil Sump Heater and Controller
  • Star Point Convection in Terminal Box
  • Blower Motor Cooling
  • Right-hand or Left-hand (F1 or F2) Main Terminal Box Location

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